Patents by Inventor Bruce P. Allen

Bruce P. Allen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for plugging selected cells in a honeycomb
    Patent number: 6673300
    Abstract: A method for plugging selected cell channels in a honeycomb structure for the fabrication of a solid particulate filter. The method includes covering a first end face of the honeycomb structure with a mask having openings corresponding to open ends of a first plurality of cell channels; loading powdered plugging material from through the mask openings into the first plurality of cell channels; forming plugs in the first plurality of cell channels at ends opposite the first end face of the honeycomb structure; loading powdered plugging material into the open ends of a second plurality of cell channels open at the second end face of the honeycomb structure; and forming plugs in the second plurality of cell channels at the ends adjacent the first end face of the honeycomb structure.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: January 6, 2004
    Assignee: Corning Incorporated
    Inventors: Bruce P. Allen, Richard A. Foster, Wade E. MacLaren
  • Method for plugging selected cells in a honeycomb
    Publication number: 20030161945
    Abstract: A method for plugging selected cell channels in a honeycomb structure for the fabrication of a solid particulate filter. The method includes covering a first end face of the honeycomb structure with a mask having openings corresponding to open ends of a first plurality of cell channels; loading powdered plugging material from through the mask openings into the first plurality of cell channels; forming plugs in the first plurality of cell channels at ends opposite the first end face of the honeycomb structure; loading powdered plugging material into the open ends of a second plurality of cell channels open at the second end face of the honeycomb structure; and forming plugs in the second plurality of cell channels at the ends adjacent the first end face of the honeycomb structure.
    Type: Application
    Filed: February 28, 2002
    Publication date: August 28, 2003
    Inventors: Bruce P. Allen, Richard A. Foster, Wade E. MacLaren